Big Evans Gulch No. 2
Key Takeaway
Big Evans Gulch No. 2 is classified as significant hazard in Colorado. It was completed in 1889 and is 137 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 31 ft (taller than 68.6% in CO) |
| Dam Length | 691 ft |
| Dam Type | Earth |
| Max Storage | 269 acre-ft |
| Normal Storage | 189 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 1,570 cfs |
| Year Completed | 1889 (137 years old) |
| Year Modified | 1906 |
| NID ID | CO02181 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
PARKVILLE WATER DISTRICT (GREG TETER)
Private
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High Hazard 135 ftFrequently Asked Questions
What is the hazard classification of Big Evans Gulch No. 2?
Big Evans Gulch No. 2 is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Big Evans Gulch No. 2?
Big Evans Gulch No. 2 is owned by PARKVILLE WATER DISTRICT (GREG TETER) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Big Evans Gulch No. 2 built?
Big Evans Gulch No. 2 was completed in 1889, making it 137 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Big Evans Gulch No. 2?
Big Evans Gulch No. 2 serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Big Evans Gulch No. 2?
Big Evans Gulch No. 2 has a dam height of 31 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Big Evans Gulch No. 2 last inspected?
Big Evans Gulch No. 2 was last inspected on August 18, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.